#列表
odds = [ 1, 3, 5, 7, 9, 11, 13, 15, 17, 19,
        21, 23, 25, 27, 29, 31, 33, 35, 37, 39,
        41, 43, 45, 47, 49, 51, 53, 55, 57, 59]

#按字面创建列表
prices = []
temps = [ 32.0, 212.0, 0.0, 81.6, 100.0, 45.3]
words = [ "hello", "world"]
car_details = [ "Touota", "RAV4", 2.2, 60807 ]
everything = [ prices, temps, words, car_details ]
odds_and_ends = [ [ 1, 2, 3 ], [ 'a', 'b', 'c' ], [ 'One', 'Two', 'Three' ] ]


vowels = ['a', 'e', 'i', 'o', 'u']
word = "Milliways"
for letter in word:
        if letter in vowels:
                print(letter)